Solved question paper for FM May-2022 (DIPLOMA 3rd)

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Fluid mechanics May-2022

PSBTE • DIPLOMA • Cvil Engineering • 3rd • May-2022

FM is the fluid mechanics subject for Punjab State Board of Technical Education Diploma in Engineering Civil Engineering 3rd semester students. On this page, students can find subject-wise previous year question papers and old papers for revision, exam practice, and a better understanding of common question patterns in fluid mechanics. These papers can help you identify repeated topics, practice time management, and prepare for important areas before exams. BRpaper is not the official website of the Punjab State Board of Technical Education or any affiliated institute. It only helps students access exam preparation material and previous year papers related to this subject.

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Unit of specific weight is________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2022 Unit of specific weight is ______.
One bar is equal to________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2018
Bar is the unit of ___________
In a laminar flow, the Reynolds number is less than________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Dec 2018
In laminar flow, Reynolds’s number is __________
Area of vena-contraction is________ than area of orifice.

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2022 Area of vena contracta is ______ than area of orifice.

Dec 2015 Area of vena contracta is ______________ than area of orifice.

Chezy’s formula is given by________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Density of water is________ kg/m³.

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Ideal fluid is known as________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2018
An ideal fluid is that which has no ___________
Vacuum pressure is also called________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Dec 2019 Vacuum pressure is also called _____

May 2018
Vacuum pressure is also called _____________

Dec 2015 Vacuum pressure is also called _____________.

The principal of continuity is based on the law of________ of matter.

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2022 The principle of continuity is based on the law of ________ of matter.
Piezometer is used to measure________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2018
Piezometer is used to measure the ____________

Dec 2018
Peizometer measures __________pressure.

May 2017
Piezometer is used to measure _________

Dec 2017
Piezometer measures _______ pressure only.

Dec 2016 Piezometer measures_______pressure only.
The highest point in a pipe lying above the hydraulic gradient is called________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2022 The highest point in a pipe lying above the hydraulic gradient is called ______.

Dec 2015 The highest point in a pipe lying above the hydraulic gradient is called ___________.
According to Chezy’s formula discharge through open channel is Q=________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Pitot tube is used to measure the________ of stream at a particular depth.

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2022 Pitot tube is used to measure the ______ of stream at particular depth.

Dec 2019 Pitot tube is used to measure _____.

May 2018
Pitot tube is used to measure the_______ of stream at a particular depth.

May 2007 Pitot tube is used for the measurement of ______.
An ideal fluid has________ viscosity.

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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May 2017
An ideal fluid is very viscous

Dec 2015 An ideal fluid has _____________ viscosity.
The relationship between Cd, Cv, Ccs________

Fill in the Blanks 1 Marks May-2022 • PSBTE DIPLOMA

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Dec 2015 The relationship between Cd, Cv and Cc in Cd ___________.
What are the ill effects of water hammer?

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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Dec 2019 What is water hammer?

Dec 2018
Describe in detail water hammer phenomenon and its effect.

May 2007 Due to which of the following phenomena is water hammer caused?

What is H.C.L and T.E.L? Explain by sketches.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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Differentiate between steady and unsteady flow.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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Dec 2018
Differentiate between steady and unsteady flow.

Dec 2018
Differentiate between uniform and non uniform flow

Dec 2017
Differentiate between Laminar and Turbulent flow.
Define an economical section, hydraulic mean depth and wetted perimeter.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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May 2022 Define most economical section, hydraulic mean depth and wetted perimeter in case of Channel.

May 2018
Define an economical section, hydraulic mean depth and wetted perimeter

May 2015 Define wetted perimeter and hydraulic mean depth?
State Bernoulli’s theorem and its application ions.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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May 2022 State Bernoulli’s theorem. Give its expression.

May 2018
State Bernoulli's theorem and its applications.

May 2016 State Bernoulli theorem. Name different practical applications of Bernoulli theorem.

Dec 2015 State Bernoulli’s theorem and its applications.

Differentiate between pipe flow and an open channel flow.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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May 2022 Differentiate between pipe flow and an open channel flow.

May 2020 Differentiate between open channel and pipe flow.

Dec 2017
Differentiate between pipe flow and open channel flow.
What are manometers? How are they classified?

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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May 2020 Explain different types of manometers.
Write the function of an orifice meter.

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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May 2015 Write the function of an orifice meter?

Dec 2015 Write the function of an orifice meter.
How are the weirs and notches classified?

Short Answer 5 Marks May-2022 • PSBTE DIPLOMA

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Dec 2015 How are the weirs and notches classified?

(a) A channel of rectangular cross-section is 4.5 m wide and 1.5 m deep. Discharge of water through channel is 8.5m³/s. find the bed slope if Chezy’s constant is 52.

Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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May 2022 A channel of rectangular cross section is 4.5 m wide and 1.5 m deep. Discharge of water through channel is 8.5 m3/s. Find the bed slope if Chezy’s Constant is 52.
(b) A triangular plate of base 3 m and height 4m lies immersed vertically in water with the apex downward. The base of plate is 1m below the free water surfaces. Determine the total pressure and Centre of pressure.

Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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May 2018
A triangular plate of base 3 m and height 4 m lies immersed vertically in water with the apex downward. The base of plate is 1 m below the free water surface. Determine the total pressure and center of pressure.
(c) In the lab a 100mmX50mm venturimeter was used which recorded the discharge of 18 liter’s/second of water when the mercury reading was 300 mm. what is the value of venturimeter co-efficient?

Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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(d) The difference of pressure head of two ends of venturimeter 15 cmX7.5 cm is measured by water mercury differential gauge which read 15 cm of mercury level difference in two limbs. Determine the discharge when co-efficient of venturimeter is 0.95; specific gravity of mercury is 13.6.

Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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Dec 2015 The difference of pressure head of two ends of venture meter 15 cm × 7.5 cm is measured by water mercury differential gauge which reads 15 cm of mercury level difference in two limbs. Determine the discharge when coefficient of venturimeter is 0.95; specific gravity of mercury is 13.6.

(e) A tank has circular orifice 50 mm diameters at a depth of 3 m below constant water level. The jet issuing through the orifice is found to be failing down by 0.54 m in the horizontal distance of 2.42 m. The measured discharge is 540 liters per minute. Calculate the co-efficient of velocity co-efficient of contraction and co-efficient of discharge.

Long Answer 10 Marks May-2022 • PSBTE DIPLOMA

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Dec 2015 A tank has circular orifice 50 mm diameter at a depth of 3 m below constant water level. The jet issuing through the orifice is found to be falling down by 0.54 m in the horizontal distance of 2.42 m. The measured discharge is 540 litre per minute. Calculate the coefficient of velocity, coefficient of contraction and coefficient of discharge.

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Answers about this subject, solved papers, and preparation.

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01 What is this FM page for PSBTE Diploma Civil Engineering 3rd semester?

This page is for Fluid Mechanics (FM) subject-wise previous year question papers and exam preparation material for PSBTE Diploma Civil Engineering 3rd semester students.

02 Can I use these FM papers to prepare for exams?

Yes, these old papers can help you revise key topics, understand the exam pattern, and practice commonly repeated questions before the exam.

03 Are these official question papers from PSBTE?

No. BRpaper is not the official website of PSBTE. It only helps students find previous year papers and related preparation content.

04 Do these papers help in finding important questions for Fluid Mechanics?

Yes, previous year papers are useful for spotting repeated topics and identifying important areas to focus on during revision.

05 Are the papers available in a readable format for quick study?

The page is meant to help students access papers in a simple, student-friendly way for quick reading and exam practice.

Solved question paper for FM May-2022 (DIPLOMA 3rd)

Fluid mechanics May-2022

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